Lesson Plan

Surface Tension

Curated and Reviewed by Lesson Planet

A drop of dew holds a sphere shape even when sitting on a seat thanks to the surface tension of water. Learners observe the phenomena of surface tension in water. Through demonstrations, hands-on activities, and discussions they explore how the polarity of water gives it a strong surface tension. 

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Complete the water droplets on a penny portion of the activity at the beginning of the year to review the scientific method; repeat again in this lesson, this time looking for an explanation of why the water sticks to itself
  • Place classes in pairs or small groups for the lesson
Classroom Considerations
  • Uses isopropyl alcohol; be sure to follow all safety guidelines in lab and for your classroom/school
  • Part two in a series of nine
  • This resource is only available on an unencrypted HTTP website.It should be fine for general use, but don’t use it to share any personally identifiable information
Pros
  • Activity includes extension ideas
  • Includes activity sheet and answer key
  • Provides pre-scripted questions for teachers throughout the lesson
Cons
  • None